<script setup>
import { getCategoryFilterAPI,getSubCategoryAPI } from '@/apis/category';
import goodsItem from '../Home/components/goodsItem.vue';
import { onMounted, ref } from 'vue'
import { useRoute } from 'vue-router'
const route = useRoute()
const categoryData = ref({});
const getCategoryData = async () => {
    const res = await getCategoryFilterAPI(route.params.id)
    categoryData.value = res.result
}
onMounted(() => {
    getCategoryData()
})
// 获取基础列表数据渲染
const goodList= ref([])
const sendData=ref({
        categoryId:route.params.id,
        page:1,
        pageSize:20,
        sortFiled:"publishTime"        
    })
const getGoodList=async()=>{
   
    const res=await getSubCategoryAPI(sendData.value)
    goodList.value=res.result.items
}
onMounted(()=>{
    getGoodList()
})
// 切换tab事件
const tabChange=()=>{
    sendData.value.page=1
    getGoodList()
}
// 无限滚动加载
// 禁用无限滚动变量
const disabled=ref(false)
const load=async()=>{
    console.log('加载更多');
    // 获取下一页数据
    sendData.value.page++ 
    const res=await getSubCategoryAPI(sendData.value)
    goodList.value=[...goodList.value,...res.result.items]
    // 如果加载完毕 停止监听
    if(res.result.items.length==0){
        disabled.value=true
    }
    
}
</script>

<template>
    <div class="container ">
        <!-- 面包屑 -->
        <div class="bread-container">
            <el-breadcrumb separator=">">
                <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
                <el-breadcrumb-item :to="{ path:`/category/${categoryData.parentId}` }">{{ categoryData.parentName }}
                </el-breadcrumb-item>
                <el-breadcrumb-item>{{ categoryData.name }}</el-breadcrumb-item>
            </el-breadcrumb>
        </div>
        <div class="sub-container">
            <el-tabs v-model="sendData.sortFiled" @tab-change="tabChange()">
                <el-tab-pane label="最新商品" name="publishTime"></el-tab-pane>
                <el-tab-pane label="最高人气" name="orderNum"></el-tab-pane>
                <el-tab-pane label="评论最多" name="evaluateNum"></el-tab-pane>
            </el-tabs>
            <div class="body" v-infinite-scroll="load"  :infinite-scroll-disabled="disabled">
                <!-- 商品列表-->
                <goodsItem v-for="good in goodList":goods="good" :key="good.id"/>
            </div>
        </div>
    </div>

</template>



<style lang="scss" scoped>
.bread-container {
    padding: 25px 0;
    color: #666;
}

.sub-container {
    padding: 20px 10px;
    background-color: #fff;

    .body {
        display: flex;
        flex-wrap: wrap;
        padding: 0 10px;
    }

    .goods-item {
        display: block;
        width: 220px;
        margin-right: 20px;
        padding: 20px 30px;
        text-align: center;

        img {
            width: 160px;
            height: 160px;
        }

        p {
            padding-top: 10px;
        }

        .name {
            font-size: 16px;
        }

        .desc {
            color: #999;
            height: 29px;
        }

        .price {
            color: $priceColor;
            font-size: 20px;
        }
    }

    .pagination-container {
        margin-top: 20px;
        display: flex;
        justify-content: center;
    }


}
</style>